42395717 has 8 divisors (see below), whose sum is σ = 52179456. Its totient is φ = 33543792.

The previous prime is 42395663. The next prime is 42395719. The reversal of 42395717 is 71759324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42395717 - 2¹² = 42391621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42395719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232853 + ... + 233034.

It is an arithmetic number, because the mean of its divisors is an integer number (6522432).

Almost surely, 2^42395717 is an apocalyptic number.

It is an amenable number.

42395717 is a deficient number, since it is larger than the sum of its proper divisors (9783739).

42395717 is a wasteful number, since it uses less digits than its factorization.

42395717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465907.

The product of its digits is 52920, while the sum is 38.

The square root of 42395717 is about 6511.1993518859. The cubic root of 42395717 is about 348.6909385559.

The spelling of 42395717 in words is "forty-two million, three hundred ninety-five thousand, seven hundred seventeen".